<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %><%--
  Created by IntelliJ IDEA.
  User: V555
  Date: 2018/5/27
  Time: 16:17
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<style type="text/css">
    table{
        border-collapse: collapse;
    }
    td{
        border: 1px solid #000;
        padding: 10px;
    }

</style>
<table>
    <tr>
        <td>编号</td>
        <td>用户名</td>
        <td>密码</td>
        <td>操作1</td>
        <td>操作2</td>
    </tr>
    <%
        Connection connection=null;
        Statement statement=null;
        ResultSet resultSet=null;
        String sql="select * from t_users";
        Class.forName("com.mysql.jdbc.Driver");
        connection= DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
                "root",
                "123456"
        );
        statement=connection.createStatement();
        resultSet=statement.executeQuery(sql);
        class User{
            int id;
            String username;
            String password;
        }
        List<User> userList=new ArrayList<User>();
        while (resultSet.next()){
            int id=resultSet.getInt(1);
            String username=resultSet.getString(2);
            String password=resultSet.getString(3);
            User user=new User();
            user.id=id;
            user.username=username;
            user.password=password;
            userList.add(user);

        }
        resultSet.close();
        statement.close();
        connection.close();
        for (User u:userList){
            out.write("<tr>"+
                    "<td>"+u.id+"</td>"+
                    "<td>"+u.username+"</td>"+
                    "<td>"+u.password+"</td>"+
                    "<td><a href='userDelete.jsp?id=${user.id}'>删除</a></td>"+
                    "<td><a href='userUpdate.jsp?id=${user.id}&username=${user.username}&password=${user.password}'>更新</a></td>"+
                    "</tr>");
        }
    %>
</table>
</body>
</html>
